A Second Messenger Is

question 65

Multiple Choice

A second messenger is

• A) a substance that brings about a desired effect in a cell as a result of a hormone binding to its receptor on the cell surface
• B) a hormone that acts on a target cell, not one of the releasing factors or trophic hormones that act on specific endocrine glands
• C) a hormone that affects the DNA of the target cell
• D) a specialized form of mRNA

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Definitions:

Sexual Orientation Awareness

Recognition and understanding of the diversity in sexual orientations, including the differences and the importance of respect for all individuals, regardless of their sexual preference.

Older Brothers

Male siblings who are born before other children in the same family.

Genetic Role

The function or influence of genes in determining the physical and behavioral traits of an organism, highlighting the biological aspect of inheritance.

Sexual Orientation

Sexual orientation is an enduring pattern of emotional, romantic, or sexual attractions to men, women, or both sexes. It also refers to a person's sense of identity based on those attractions, related behaviors, and membership in a community of others who share those attractions.